About: http://webisa.webdatacommons.org/99174401

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I know Fed and Rafa are the most tested tennis players, given that they win so much...but I do not think the testing system is sufficient for tennis in general.
http://www.w3.org/ns/prov#wasQuotedFrom	typepad.com